Base | Representation |
---|---|
bin | 1010010111100… |
… | …1101101110000 |
3 | 10000211112021200 |
4 | 2211321231300 |
5 | 42113141120 |
6 | 4152051200 |
7 | 1035442320 |
oct | 245715560 |
9 | 100745250 |
10 | 43490160 |
11 | 2260488a |
12 | 12693b00 |
13 | 901932c |
14 | 5ac1280 |
15 | 3c40e90 |
hex | 2979b70 |
43490160 has 120 divisors (see below), whose sum is σ = 166938720. Its totient is φ = 9939456.
The previous prime is 43490147. The next prime is 43490189. The reversal of 43490160 is 6109434.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726 + ... + 9354.
It is an arithmetic number, because the mean of its divisors is an integer number (1391156).
Almost surely, 243490160 is an apocalyptic number.
43490160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 43490160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83469360).
43490160 is an abundant number, since it is smaller than the sum of its proper divisors (123448560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43490160 is a wasteful number, since it uses less digits than its factorization.
43490160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8655 (or 8646 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 43490160 is about 6594.7069684710. The cubic root of 43490160 is about 351.6659623784.
Adding to 43490160 its reverse (6109434), we get a palindrome (49599594).
The spelling of 43490160 in words is "forty-three million, four hundred ninety thousand, one hundred sixty".
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